waterfall

Từ điển Oxford Advanced Learner 8th

water·fall [waterfall waterfalls] BrE [ˈwɔːtəfɔːl] NAmE [ˈwɔːtərfɔːl] NAmE [ˈwɑːtərfɔːl] noun
a place where a stream or river falls from a high place, for example over a ↑cliff or rock

Example Bank:
•She watched the magnificent waterfall cascade down the mountainside.
•The waterfall fell about twenty feet to swirling rapids.